<?php
/**
* @version $Id: mod_mainmenu.php 5941 2006-12-06 13:23:38Z predator $
* @package Joomla
* @copyright Copyright (C) 2005 Open Source Matters. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

// no direct access
defined( '_VALID_MOS' ) or die( 'Restricted access' );

if (!defined( '_MOS_MAINMENU_MODULE' )) {
	/** ensure that functions are declared only once */
	define( '_MOS_MAINMENU_MODULE', 1 );

	/**
	* Utility function for writing a menu link
	*/
	function mosGetMenuLink( $mitem, $level=0, &$params, $open=null ) {
		global $Itemid, $mosConfig_live_site, $mainframe;
		
		$txt = '';
		
		switch ($mitem->type) {
			case 'separator':
			case 'component_item_link':
				break;
				
			case 'url':
				if ( eregi( 'index.php\?', $mitem->link ) && !eregi( 'http', $mitem->link ) && !eregi( 'https', $mitem->link ) ) {
					if ( !eregi( 'Itemid=', $mitem->link ) ) {
						$mitem->link .= '&Itemid='. $mitem->id;
					}
				}
				break;
				
			case 'content_item_link':
			case 'content_typed':
				// load menu params
				$menuparams = new mosParameters( $mitem->params, $mainframe->getPath( 'menu_xml', $mitem->type ), 'menu' );
				
				$unique_itemid = $menuparams->get( 'unique_itemid', 1 );
				
				if ( $unique_itemid ) {
					$mitem->link .= '&Itemid='. $mitem->id;
				} else {
					$temp = split('&task=view&id=', $mitem->link);
					
					if ( $mitem->type == 'content_typed' ) {
						$mitem->link .= '&Itemid='. $mainframe->getItemid($temp[1], 1, 0);
					} else {
						$mitem->link .= '&Itemid='. $mainframe->getItemid($temp[1], 0, 1);
					}
				}
				break;

			default:
				$mitem->link .= '&Itemid='. $mitem->id;
				break;
		}

		// Active Menu highlighting
		$current_itemid = $Itemid;
		if ( !$current_itemid ) {
			$id = '';
		} else if ( $current_itemid == $mitem->id ) {
			$id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
		} else if( $params->get( 'activate_parent' ) && isset( $open ) && in_array( $mitem->id, $open ) )  {
			$id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
		} else {
			$id = '';
		}

		if ( $params->get( 'full_active_id' ) ) {
			// support for `active_menu` of 'Link - Component Item'	
			if ( $id == '' && $mitem->type == 'component_item_link' ) {
				parse_str( $mitem->link, $url );
				if ( $url['Itemid'] == $current_itemid ) {
					$id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
				}
			}
			
			// support for `active_menu` of 'Link - Url' if link is relative
			if ( $id == '' && $mitem->type == 'url' && strpos( 'http', $mitem->link ) === false) {
				parse_str( $mitem->link, $url );
				if ( isset( $url['Itemid'] ) ) {
					if ( $url['Itemid'] == $current_itemid ) {
						$id = 'id="active_menu'. $params->get( 'class_sfx' ) .'"';
					}
				}
			}
		}

		// replace & with amp; for xhtml compliance
		$mitem->link = ampReplace( $mitem->link );

		// run through SEF convertor
		$mitem->link = sefRelToAbs( $mitem->link );

		$menuclass = 'mainlevel'. $params->get( 'class_sfx' );
		if ($level > 0) {
			$menuclass = 'sublevel'. $params->get( 'class_sfx');
		}
		
		// replace & with amp; for xhtml compliance
		// remove slashes from excaped characters
		$mitem->name = stripslashes( ampReplace($mitem->name) );

		switch ($mitem->browserNav) {
			// cases are slightly different
			case 1:
				// open in a new window
				$txt = '<a href="'. $mitem->link .'" target="_blank" class="'. $menuclass .'" '. $id .'>'. $mitem->name .'</a>';
				break;

			case 2:
				// open in a popup window
				$txt = "<a href=\"#\" onclick=\"javascript: window.open('". $mitem->link ."', '', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=780,height=550'); return false\" class=\"$menuclass\" ". $id .">". $mitem->name ."</a>\n";
				break;

			case 3:
				// don't link it
				$txt = '<span class="'. $menuclass .'" '. $id .'>'. $mitem->name .'</span>';
				break;

			default:	
				// open in parent window
				$txt = '<a href="'. $mitem->link .'" class="'. $menuclass .'" '. $id .'>'. $mitem->name .'</a>';
				break;
		}

		if ( $params->get( 'menu_images' ) ) {
			$menu_params 	= new stdClass();
			$menu_params 	= new mosParameters( $mitem->params );
			$menu_image 	= $menu_params->def( 'menu_image', -1 );
			if ( ( $menu_image != '-1' ) && $menu_image ) {
				$image = '<img src="'. $mosConfig_live_site .'/images/stories/'. $menu_image .'" border="0" alt="'. $mitem->name .'"/>';
				if ( $params->get( 'menu_images_align' ) ) {
					$txt = $txt .' '. $image;
				} else {
					$txt = $image .' '. $txt;
				}
			}
		}

		return $txt;
	}

	/**
	* Vertically Indented Menu
	*/
	function mosShowVIMenu(  &$params ) {
		global $database, $my, $cur_template, $Itemid;
		global $mosConfig_absolute_path, $mosConfig_live_site, $mosConfig_shownoauth;

		/* If a user has signed in, get their user type */
		$intUserType = 0;
		if($my->gid){
			switch ($my->usertype) {
				case 'Super Administrator':
					$intUserType = 0;
					break;

				case 'Administrator':
					$intUserType = 1;
					break;

				case 'Editor':
					$intUserType = 2;
					break;

				case 'Registered':
					$intUserType = 3;
					break;

				case 'Author':
					$intUserType = 4;
					break;

				case 'Publisher':
					$intUserType = 5;
					break;

				case 'Manager':
					$intUserType = 6;
					break;
			}
		} else {
			/* user isn't logged in so make their usertype 0 */
			$intUserType = 0;
		}

		$and = '';
		if ( !$mosConfig_shownoauth ) {
			$and = "\n AND access <= " . (int) $my->gid;
		}		
		$sql = "SELECT m.*"
		. "\n FROM #__menu AS m"
		. "\n WHERE menutype = " . $database->Quote( $params->get( 'menutype' ) )
		. "\n AND published = 1"
		. $and
		. "\n ORDER BY parent, ordering";
		$database->setQuery( $sql );
		$rows = $database->loadObjectList( 'id' );

		// indent icons
		switch ( $params->get( 'indent_image' ) ) {
			case '1':
				// Default images
				$imgpath = $mosConfig_live_site .'/images/M_images';
				for ( $i = 1; $i < 7; $i++ ) {
					$img[$i] = '<img src="'. $imgpath .'/indent'. $i .'.png" alt="" />';
				}
				break;
				
			case '2':
				// Use Params
				$imgpath = $mosConfig_live_site .'/images/M_images';
				for ( $i = 1; $i < 7; $i++ ) {
					if ( $params->get( 'indent_image'. $i ) == '-1' ) {
						$img[$i] = NULL;
					} else {
						$img[$i] = '<img src="'. $imgpath .'/'. $params->get( 'indent_image'. $i ) .'" alt="" />';
					}
				}
				break;
				
			case '3':
				// None
				for ( $i = 1; $i < 7; $i++ ) {
					$img[$i] = NULL;
				}
				break;
			
			default:
				// Template
				$imgpath = $mosConfig_live_site .'/templates/'. $cur_template .'/images';
				for ( $i = 1; $i < 7; $i++ ) {
					$img[$i] = '<img src="'. $imgpath .'/indent'. $i .'.png" alt="" />';
				}
				break;
		}

		$indents = array(
			// block prefix / item prefix / item suffix / block suffix
			array( '<table width="100%" border="0" cellpadding="0" cellspacing="0">', '<tr align="left"><td>' , '</td></tr>', '</table>' ),
			array( '', '<div style="padding-left: 4px">'. $img[1] , '</div>', '' ),
			array( '', '<div style="padding-left: 8px">'. $img[2] , '</div>', '' ),
			array( '', '<div style="padding-left: 12px">'. $img[3] , '</div>', '' ),
			array( '', '<div style="padding-left: 16px">'. $img[4] , '</div>', '' ),
			array( '', '<div style="padding-left: 20px">'. $img[5] , '</div>', '' ),
			array( '', '<div style="padding-left: 24px">'. $img[6] , '</div>', '' ),
		);

		// establish the hierarchy of the menu
		$children = array();
		// first pass - collect children
		foreach ($rows as $v ) {
			$pt 	= $v->parent;
			$list 	= @$children[$pt] ? $children[$pt] : array();
			array_push( $list, $v );
			$children[$pt] = $list;
		}

		// second pass - collect 'open' menus
		$open 	= array( $Itemid );
		$count 	= 20; // maximum levels - to prevent runaway loop
		$id 	= $Itemid;
		
		while (--$count) {
			if (isset($rows[$id]) && $rows[$id]->parent > 0) {
				$id = $rows[$id]->parent;
				$open[] = $id;
			} else {
				break;
			}
		}
		mosRecurseVIMenu( 0, 0, $children, $open, $indents, $params );

	}

	/**
	* Utility function to recursively work through a vertically indented
	* hierarchial menu
	*/
	function mosRecurseVIMenu( $id, $level, &$children, &$open, &$indents, &$params ) {
		if (@$children[$id]) {
			$n = min( $level, count( $indents )-1 );

			echo "\n".$indents[$n][0];
			foreach ($children[$id] as $row) {

				echo "\n".$indents[$n][1];

				echo mosGetMenuLink( $row, $level, $params, $open );

				// show menu with menu expanded - submenus visible
				if ( !$params->get( 'expand_menu' ) ) {
					if ( in_array( $row->id, $open )) {
						mosRecurseVIMenu( $row->id, $level+1, $children, $open, $indents, $params );
					}
				} else {
					mosRecurseVIMenu( $row->id, $level+1, $children, $open, $indents, $params );
				}
				echo $indents[$n][2];
			}
			echo "\n".$indents[$n][3];
		}
	}

	/**
	* Draws a horizontal 'flat' style menu (very simple case)
	*/
	function mosShowHFMenu(  &$params, $style=0 ) {
		global $database, $my, $cur_template, $Itemid;
		global $mosConfig_absolute_path, $mosConfig_shownoauth;

		$and = '';
		if ( !$mosConfig_shownoauth ) {
			$and = "\n AND access <= " . (int) $my->gid;
		}
		$sql = "SELECT m.*"
		. "\n FROM #__menu AS m"
		. "\n WHERE menutype = " . $database->Quote( $params->get( 'menutype' ) )
		. "\n AND published = 1"
		. $and
		. "\n AND parent = 0"
		. "\n ORDER BY ordering"
		;
		$database->setQuery( $sql );
		$rows = $database->loadObjectList( 'id' );

		$links = array();
		foreach ($rows as $row) {
			$links[] = mosGetMenuLink( $row, 0, $params );
		}

		$menuclass = 'mainlevel'. $params->get( 'class_sfx' );
		if (count( $links )) {
			switch ($style) {
				case 1:
					echo '<ul id="'. $menuclass .'">';
					foreach ($links as $link) {
						echo '<li>' . $link . '</li>';
					}
					echo '</ul>';
					break;
				
				default:
					$spacer_start 	= $params->get( 'spacer' );
					$spacer_end 	= $params->get( 'end_spacer' );
					
					echo '<table width="100%" border="0" cellpadding="0" cellspacing="1">';
					echo '<tr>';
						echo '<td nowrap="nowrap">';
						
							if ( $spacer_end ) {
								echo '<span class="'. $menuclass .'"> '. $spacer_end .' </span>';
							}
							
							if ( $spacer_start ) {
								$html = '<span class="'. $menuclass .'"> '. $spacer_start .' </span>';
								echo implode( $html, $links );
							} else {
								echo implode( '', $links );
							}
							
							if ( $spacer_end ) {
								echo '<span class="'. $menuclass .'"> '. $spacer_end .' </span>';
							}
						
						echo '</td>';
					echo '</tr>';
					echo '</table>';
					break;
			}
		}
	}
}

$params->def('menutype', 			'mainmenu');
$params->def('class_sfx', 			'');
$params->def('menu_images', 		0);
$params->def('menu_images_align', 	0);
$params->def('expand_menu', 		0);
$params->def('activate_parent', 	0);
$params->def('indent_image', 		0);
$params->def('indent_image1', 		'indent1.png');
$params->def('indent_image2', 		'indent2.png');
$params->def('indent_image3', 		'indent3.png');
$params->def('indent_image4', 		'indent4.png');
$params->def('indent_image5', 		'indent5.png');
$params->def('indent_image6', 		'indent.png');
$params->def('spacer', 				'');
$params->def('end_spacer', 			'');
$params->def('full_active_id', 		0);

switch ( $params->get( 'menu_style', 'vert_indent' ) ) {
	case 'list_flat':
		mosShowHFMenu( $params, 1 );
		break;
	
	case 'horiz_flat':
		mosShowHFMenu( $params, 0 );
		break;
	
	default:
		mosShowVIMenu( $params );
		break;
}
?>